71427070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:481

約数の個数: 64

約数和(自身を含む): 152409600

約数和(自身を除く): 80982530

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 199, 251, 286, 398, 502, 715, 995, 1255, 1430, 1990, 2189, 2510, 2587, 2761, 3263, 4378, 5174, 5522, 6526, 10945, 12935, 13805, 16315, 21890, 25870, 27610, 28457, 32630, 35893, 49949, 56914, 71786, 99898, 142285, 179465, 249745, 284570, 358930, 499490, 549439, 649337, 1098878, 1298674, 2747195, 3246685, 5494390, 6493370, 7142707, 14285414, 35713535, 71427070]

約数ペア:

[(1, 71427070), (2, 35713535), (5, 14285414), (10, 7142707), (11, 6493370), (13, 5494390), (22, 3246685), (26, 2747195), (55, 1298674), (65, 1098878), (110, 649337), (130, 549439), (143, 499490), (199, 358930), (251, 284570), (286, 249745), (398, 179465), (502, 142285), (715, 99898), (995, 71786), (1255, 56914), (1430, 49949), (1990, 35893), (2189, 32630), (2510, 28457), (2587, 27610), (2761, 25870), (3263, 21890), (4378, 16315), (5174, 13805), (5522, 12935), (6526, 10945)]